Centre Mont-Royal
Montreal, Canada
July 13-17, 2009
Montreal, Canada
July 13-17, 2009
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Centre Mont-Royal
Montreal, Canada July 13-17, 2009 |
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Keynotes
Venue
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Combined Tracing of the Kernel and Applications with LTTngPierre-Marc Fournier (pierre-marc.fournier@polymtl.ca)Kernel tracing provides an effective way of understanding system behavior and debugging many types of problems in the kernel and in userspace applications. In some cases, tracing events that occur in application code can further help by providing access to application activity unknown to the kernel. LTTng now provides a way of tracing simultaneously the kernel as well as the applications of a system. The kernel instrumentation and event collection facilities were ported to userspace, yielding a performance impact as low as that of the kernel tracer. This presentation will demonstrate how to use LTTng in such a way, and show examples of how correlating kernel and userspace events can lead to successful debugging of complex problems. |
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